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Finding the Fourth Proportional to 524,577.20, 787,653.11 and 300,191.00

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Solution

The fourth proportional to 524,577.20, 787,653.11 and 300,191.00 is: 450,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,577.20 : 787,653.11 = 300,191.00 : x
  2. Step 2: Convert to fraction form
    524,577.20/787,653.11 = 300,191.00/x
  3. Step 3: Cross multiply
    524,577.20x = 787,653.11 × 300,191.00
  4. Step 4: Simplify right side
    524,577.20x = 236,446,371,556.22
  5. Step 5: Solve for x
    x = 236,446,371,556.22/524,577.20
  6. Step 6: Final answer
    x = 450,737.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.